State-variable biquads with optimum integrator sensitivities
作者:
W.M.Snelgrove,
A.S.Sedra,
期刊:
IEE Proceedings G (Electronic Circuits and Systems)
(IET Available online 1981)
卷期:
Volume 128,
issue 4
页码: 173-175
年代: 1981
DOI:10.1049/ip-g-1.1981.0036
出版商: IEE
数据来源: IET
摘要:
We show how to derive state-variable biquadratic sections with lowest possible sensitivity to their integrators. The resulting structures turn out to satisfy the condition for optimum dynamic range given by Mullis and Roberts [1]. The sensitivity optimum obtained is very ‘strong’ in the sense that these biquads simultaneously attain lower bounds for several practical measures of sensitivity. Furthermore, it is shown that this class of filters exhibits sensitivities that are either equal to or lower than those of doubly-terminatedLCladders.
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